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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_0966d06610f72609fd9aa4979c2b5a92.html">common</a></li>  </ul>
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<div class="title">iterator_traits.h</div>  </div>
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<a href="iterator__traits_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright 2018 Universidad Carlos III de Madrid</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="preprocessor">#ifndef GRPPI_COMMON_ITERATOR_TRAITS_H</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#define GRPPI_COMMON_ITERATOR_TRAITS_H</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacegrppi.html">grppi</a>{</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> = <span class="keywordtype">void</span>&gt;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1is__iterator.html">   24</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structgrppi_1_1internal_1_1is__iterator.html">is_iterator</a></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;{</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1is__iterator.html#a8f7aa289dabfb00769c6c2d41b71276b">   26</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="structgrppi_1_1internal_1_1is__iterator.html#a8f7aa289dabfb00769c6c2d41b71276b">value</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;};</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1is__iterator_3_01_t_00_01typename_01std_1_1enable__if_3_9std_1_1is__sa11803e7f7def86c5f89ec52f81b8eae.html">   30</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structgrppi_1_1internal_1_1is__iterator.html">is_iterator</a>&lt;T, typename std::enable_if&lt;!std::is_same&lt;typename std::iterator_traits&lt;T&gt;::value_type, void&gt;::value&gt;::type&gt;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;{</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1is__iterator_3_01_t_00_01typename_01std_1_1enable__if_3_9std_1_1is__sa11803e7f7def86c5f89ec52f81b8eae.html#a09642d02568dd64b0723cf7160571cf3">   32</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="structgrppi_1_1internal_1_1is__iterator.html#a8f7aa289dabfb00769c6c2d41b71276b">value</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;};</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160; </div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> ...other_T&gt;</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1are__iterators.html">   36</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structgrppi_1_1internal_1_1are__iterators.html">are_iterators</a></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;{</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1are__iterators.html#aa9f9d53eac59ccd3381d9157c8faf317">   38</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="structgrppi_1_1internal_1_1are__iterators.html#aa9f9d53eac59ccd3381d9157c8faf317">value</a> = <a class="code" href="structgrppi_1_1internal_1_1is__iterator.html">is_iterator&lt;T&gt;::value</a> &amp;&amp; <a class="code" href="structgrppi_1_1internal_1_1are__iterators.html">are_iterators</a>&lt;other_T...&gt;<a class="code" href="structgrppi_1_1internal_1_1are__iterators.html#aa9f9d53eac59ccd3381d9157c8faf317">::value</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;};</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1are__iterators_3_01_t_01_4.html">   42</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structgrppi_1_1internal_1_1are__iterators.html">are_iterators</a>&lt;T&gt;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;{</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structgrppi_1_1internal_1_1are__iterators_3_01_t_01_4.html#a1ad6953409cb19e565a09a0e91bc1e74">   44</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> <a class="code" href="structgrppi_1_1internal_1_1are__iterators.html#aa9f9d53eac59ccd3381d9157c8faf317">value</a> = <a class="code" href="structgrppi_1_1internal_1_1is__iterator.html">is_iterator&lt;T&gt;::value</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;};</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160; </div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;}</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160; </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a6fd3fca903be45001490eff86db22e88">   50</a></span>&#160;constexpr <span class="keywordtype">bool</span> <a class="code" href="namespacegrppi.html#a6fd3fca903be45001490eff86db22e88">is_iterator</a> = <a class="code" href="structgrppi_1_1internal_1_1is__iterator.html">internal::is_iterator&lt;T&gt;::value</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a3d2bc58fb1b6a69c51324da8ac2b3d35">   53</a></span>&#160;<span class="keyword">using</span> <a class="code" href="namespacegrppi.html#a3d2bc58fb1b6a69c51324da8ac2b3d35">requires_iterator</a> = std::enable_if_t&lt;is_iterator&lt;T&gt;, <span class="keywordtype">int</span>&gt;;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> ...T&gt;</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a96b918acf997905a4a1978fcf219b6f0">   56</a></span>&#160;constexpr <span class="keywordtype">bool</span> <a class="code" href="namespacegrppi.html#a96b918acf997905a4a1978fcf219b6f0">are_iterators</a> = <a class="code" href="structgrppi_1_1internal_1_1are__iterators.html">internal::are_iterators</a>&lt;T...&gt;::value;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> ...T&gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="namespacegrppi.html#a53d88980f8164547717a94058db08f94">   59</a></span>&#160;<span class="keyword">using</span> <a class="code" href="namespacegrppi.html#a53d88980f8164547717a94058db08f94">requires_iterators</a> = std::enable_if_t&lt;<a class="code" href="namespacegrppi.html#a96b918acf997905a4a1978fcf219b6f0">are_iterators</a>&lt;T...&gt;, <span class="keywordtype">int</span>&gt;;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;}</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="anamespacegrppi_html"><div class="ttname"><a href="namespacegrppi.html">grppi</a></div><div class="ttdef"><b>Definition:</b> callable_traits.h:21</div></div>
<div class="ttc" id="anamespacegrppi_html_a3d2bc58fb1b6a69c51324da8ac2b3d35"><div class="ttname"><a href="namespacegrppi.html#a3d2bc58fb1b6a69c51324da8ac2b3d35">grppi::requires_iterator</a></div><div class="ttdeci">std::enable_if_t&lt; is_iterator&lt; T &gt;, int &gt; requires_iterator</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:53</div></div>
<div class="ttc" id="anamespacegrppi_html_a53d88980f8164547717a94058db08f94"><div class="ttname"><a href="namespacegrppi.html#a53d88980f8164547717a94058db08f94">grppi::requires_iterators</a></div><div class="ttdeci">std::enable_if_t&lt; are_iterators&lt; T... &gt;, int &gt; requires_iterators</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:59</div></div>
<div class="ttc" id="anamespacegrppi_html_a6fd3fca903be45001490eff86db22e88"><div class="ttname"><a href="namespacegrppi.html#a6fd3fca903be45001490eff86db22e88">grppi::is_iterator</a></div><div class="ttdeci">constexpr bool is_iterator</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:50</div></div>
<div class="ttc" id="anamespacegrppi_html_a96b918acf997905a4a1978fcf219b6f0"><div class="ttname"><a href="namespacegrppi.html#a96b918acf997905a4a1978fcf219b6f0">grppi::are_iterators</a></div><div class="ttdeci">constexpr bool are_iterators</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:56</div></div>
<div class="ttc" id="astructgrppi_1_1internal_1_1are__iterators_html"><div class="ttname"><a href="structgrppi_1_1internal_1_1are__iterators.html">grppi::internal::are_iterators</a></div><div class="ttdef"><b>Definition:</b> iterator_traits.h:37</div></div>
<div class="ttc" id="astructgrppi_1_1internal_1_1are__iterators_html_aa9f9d53eac59ccd3381d9157c8faf317"><div class="ttname"><a href="structgrppi_1_1internal_1_1are__iterators.html#aa9f9d53eac59ccd3381d9157c8faf317">grppi::internal::are_iterators::value</a></div><div class="ttdeci">static constexpr bool value</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:38</div></div>
<div class="ttc" id="astructgrppi_1_1internal_1_1is__iterator_html"><div class="ttname"><a href="structgrppi_1_1internal_1_1is__iterator.html">grppi::internal::is_iterator</a></div><div class="ttdef"><b>Definition:</b> iterator_traits.h:25</div></div>
<div class="ttc" id="astructgrppi_1_1internal_1_1is__iterator_html_a8f7aa289dabfb00769c6c2d41b71276b"><div class="ttname"><a href="structgrppi_1_1internal_1_1is__iterator.html#a8f7aa289dabfb00769c6c2d41b71276b">grppi::internal::is_iterator::value</a></div><div class="ttdeci">static constexpr bool value</div><div class="ttdef"><b>Definition:</b> iterator_traits.h:26</div></div>
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